When choose C Z purlin roll forming machine? 1.When worker salary is quite in some countries. 2.When firsting building factroy, it is not familiar with the operation of the machine. 3.When for C puriline and Z puline have huge production need. 4.The machine can help you finish size changing process in a few seconds. And quite easy. 5.When you have high accuracy about the finished product. 6.When you need higher speed of the machine.